US4983955A - Electric power supply circuit monitoring systems - Google Patents
Electric power supply circuit monitoring systems Download PDFInfo
- Publication number
- US4983955A US4983955A US07/276,959 US27695988A US4983955A US 4983955 A US4983955 A US 4983955A US 27695988 A US27695988 A US 27695988A US 4983955 A US4983955 A US 4983955A
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- US
- United States
- Prior art keywords
- color
- electric power
- circuit
- emitting light
- providing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- Emergency Protection Circuit Devices (AREA)
Abstract
Description
Claims (46)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/276,959 US4983955A (en) | 1988-11-28 | 1988-11-28 | Electric power supply circuit monitoring systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/276,959 US4983955A (en) | 1988-11-28 | 1988-11-28 | Electric power supply circuit monitoring systems |
Publications (1)
Publication Number | Publication Date |
---|---|
US4983955A true US4983955A (en) | 1991-01-08 |
Family
ID=23058819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/276,959 Expired - Lifetime US4983955A (en) | 1988-11-28 | 1988-11-28 | Electric power supply circuit monitoring systems |
Country Status (1)
Country | Link |
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US (1) | US4983955A (en) |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5089927A (en) * | 1989-10-12 | 1992-02-18 | Northern Telecom Limited | Power feed circuit for digital communications terminal equipment |
US5272438A (en) * | 1989-03-08 | 1993-12-21 | Square D Company | Field test unit for circuit breaker |
US5359293A (en) * | 1993-06-03 | 1994-10-25 | Bell Communications Research, Inc. | Electrical cable arcing fault detection by monitoring power spectrum in distribution line |
US5359290A (en) * | 1993-01-11 | 1994-10-25 | Actron Manufacturing Company | Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles |
US5394093A (en) * | 1993-04-30 | 1995-02-28 | Actron Manufacturing Company | Method and apparatus for testing vehicle engine sensors |
US5448155A (en) * | 1992-10-23 | 1995-09-05 | International Power Devices, Inc. | Regulated power supply using multiple load sensing |
US5543669A (en) * | 1993-12-13 | 1996-08-06 | Siemens Aktiengesellschaft | Remote feed circuit in communication systems |
US5706204A (en) * | 1996-02-28 | 1998-01-06 | Eaton Corporation | Apparatus for triggering alarms and waveform capture in an electric power system |
US5867385A (en) * | 1995-05-30 | 1999-02-02 | Roy-G-Biv Corporation | Motion control systems |
US5936537A (en) * | 1996-09-23 | 1999-08-10 | 3Com Corporation | High frequency signal detector |
US6043687A (en) * | 1998-07-29 | 2000-03-28 | Stmicroelectronics, Inc. | Integrated circuit precision resistor ratio matching |
US6055145A (en) * | 1990-12-28 | 2000-04-25 | Eaton Corporation | Overcurrent protection device with visual indicators for trip and programming functions |
EP1026874A1 (en) * | 1999-02-02 | 2000-08-09 | Alcatel | Arrangement and method to feed in power to a plurality of circuits or telecommunication lines |
US6407896B1 (en) * | 2000-03-31 | 2002-06-18 | Motorola, Inc. | Power system and method of operation |
US20030071610A1 (en) * | 2001-10-16 | 2003-04-17 | Paul Mehringer | Method and apparatus for monitoring an electrical current consumming device |
US20030187520A1 (en) * | 2002-02-25 | 2003-10-02 | General Electric Company | Method and apparatus for circuit breaker node software architecture |
US20030212473A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Processing system for a power distribution system |
US20030212835A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Method and system for external clock to obtain multiple synchronized redundant computers |
US20030212515A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Data sample and transmission modules for power distribution systems |
US20040021578A1 (en) * | 2002-07-30 | 2004-02-05 | James Hudson | Low voltage testing and illuminating device |
US6710482B2 (en) | 2001-08-25 | 2004-03-23 | Lucas Aerospace Power Equipment Corporation | Generator |
US20040100239A1 (en) * | 2001-05-17 | 2004-05-27 | Frank Klotz | Circuit configuration for voltage stabilization |
US20040172569A1 (en) * | 2003-02-27 | 2004-09-02 | Faue Jon Allan | Integrated circuit memory architecture with selectively offset data and address delays to minimize skew and provide synchronization of signals at the input/output section |
US20050273207A1 (en) * | 2002-02-25 | 2005-12-08 | Dougherty John J | Distributed protection system for power distribution systems |
US20060098430A1 (en) * | 2004-11-10 | 2006-05-11 | Tatung Co., Ltd. | Flexible lighting method for a LED on a portable device |
US20060263031A1 (en) * | 2005-05-23 | 2006-11-23 | Schiff Tod F | Power supply output monitor |
US20070008670A1 (en) * | 2003-02-25 | 2007-01-11 | Fletcher David G | Protection system for for power distribution systems |
US20070096719A1 (en) * | 2005-10-17 | 2007-05-03 | Hon Hai Precision Industry Co., Ltd. | Voltage detecting circuit |
US20070103327A1 (en) * | 2005-11-09 | 2007-05-10 | Zimmermann Daniel E | Signaling device and method of alerting a work machine operator to a predetermined condition using same |
US20070102999A1 (en) * | 2003-05-09 | 2007-05-10 | Roger Darraba | A movable or removable seat for a motor vehicle |
US7633399B2 (en) | 2007-02-27 | 2009-12-15 | Eaton Corporation | Configurable arc fault or ground fault circuit interrupter and method |
US7747356B2 (en) | 2002-02-25 | 2010-06-29 | General Electric Company | Integrated protection, monitoring, and control system |
US20140285346A1 (en) * | 2013-03-20 | 2014-09-25 | Hon Hai Precision Industry Co., Ltd. | Power supply detecting circuit for vending machine |
US9898918B2 (en) | 2014-03-12 | 2018-02-20 | Precor Incorporated | Treadmill belt wear notification system |
CN113471932A (en) * | 2021-06-29 | 2021-10-01 | 中国矿业大学 | Single-ended MMC direct current power distribution network single-pole grounding variable weight protection method based on multi-class similarity analysis |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3293630A (en) * | 1963-07-19 | 1966-12-20 | Arthur B Mckaig | Transistorized monitoring circuit |
US4121122A (en) * | 1976-12-22 | 1978-10-17 | Kurt Pokrandt | Current sensing circuitry |
US4311994A (en) * | 1978-03-14 | 1982-01-19 | Victor Company Of Japan, Limited | Signal level indication with different colors |
US4558310A (en) * | 1982-09-29 | 1985-12-10 | Mcallise Raymond J | Current sensing device and monitor |
US4583086A (en) * | 1982-04-08 | 1986-04-15 | Remote Sensors, Inc. | Circuit for monitoring the operating condition of an electric load |
JPS61274274A (en) * | 1985-05-30 | 1986-12-04 | Matsushita Electric Ind Co Ltd | Power source circuit |
US4628303A (en) * | 1985-06-05 | 1986-12-09 | System Development Corporation | Visual monitor for electrical signals |
US4631623A (en) * | 1983-12-06 | 1986-12-23 | La Telemecanique Electrique | DC power control circuit with status reporting and protection against overloads and short circuits |
US4707758A (en) * | 1981-09-29 | 1987-11-17 | Nissan Motor Company, Limited | Fail-safe system in a power regulation circuit for an automotive electronic circuit |
US4797608A (en) * | 1987-08-13 | 1989-01-10 | Digital Equipment Corporation | D.C. power monitor |
US4837672A (en) * | 1988-08-30 | 1989-06-06 | Storage Technology Corporation | Switched mode power supply |
US4851950A (en) * | 1987-06-09 | 1989-07-25 | Bassani Ticino, S.P.A. | Electrical apparatus for magnetothermal and differential protection |
-
1988
- 1988-11-28 US US07/276,959 patent/US4983955A/en not_active Expired - Lifetime
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3293630A (en) * | 1963-07-19 | 1966-12-20 | Arthur B Mckaig | Transistorized monitoring circuit |
US4121122A (en) * | 1976-12-22 | 1978-10-17 | Kurt Pokrandt | Current sensing circuitry |
US4311994A (en) * | 1978-03-14 | 1982-01-19 | Victor Company Of Japan, Limited | Signal level indication with different colors |
US4707758A (en) * | 1981-09-29 | 1987-11-17 | Nissan Motor Company, Limited | Fail-safe system in a power regulation circuit for an automotive electronic circuit |
US4583086A (en) * | 1982-04-08 | 1986-04-15 | Remote Sensors, Inc. | Circuit for monitoring the operating condition of an electric load |
US4558310A (en) * | 1982-09-29 | 1985-12-10 | Mcallise Raymond J | Current sensing device and monitor |
US4631623A (en) * | 1983-12-06 | 1986-12-23 | La Telemecanique Electrique | DC power control circuit with status reporting and protection against overloads and short circuits |
JPS61274274A (en) * | 1985-05-30 | 1986-12-04 | Matsushita Electric Ind Co Ltd | Power source circuit |
US4628303A (en) * | 1985-06-05 | 1986-12-09 | System Development Corporation | Visual monitor for electrical signals |
US4851950A (en) * | 1987-06-09 | 1989-07-25 | Bassani Ticino, S.P.A. | Electrical apparatus for magnetothermal and differential protection |
US4797608A (en) * | 1987-08-13 | 1989-01-10 | Digital Equipment Corporation | D.C. power monitor |
US4837672A (en) * | 1988-08-30 | 1989-06-06 | Storage Technology Corporation | Switched mode power supply |
Cited By (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5272438A (en) * | 1989-03-08 | 1993-12-21 | Square D Company | Field test unit for circuit breaker |
US5089927A (en) * | 1989-10-12 | 1992-02-18 | Northern Telecom Limited | Power feed circuit for digital communications terminal equipment |
US6055145A (en) * | 1990-12-28 | 2000-04-25 | Eaton Corporation | Overcurrent protection device with visual indicators for trip and programming functions |
US5448155A (en) * | 1992-10-23 | 1995-09-05 | International Power Devices, Inc. | Regulated power supply using multiple load sensing |
US5359290A (en) * | 1993-01-11 | 1994-10-25 | Actron Manufacturing Company | Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles |
US5394093A (en) * | 1993-04-30 | 1995-02-28 | Actron Manufacturing Company | Method and apparatus for testing vehicle engine sensors |
US5359293A (en) * | 1993-06-03 | 1994-10-25 | Bell Communications Research, Inc. | Electrical cable arcing fault detection by monitoring power spectrum in distribution line |
US5543669A (en) * | 1993-12-13 | 1996-08-06 | Siemens Aktiengesellschaft | Remote feed circuit in communication systems |
US5867385A (en) * | 1995-05-30 | 1999-02-02 | Roy-G-Biv Corporation | Motion control systems |
US5706204A (en) * | 1996-02-28 | 1998-01-06 | Eaton Corporation | Apparatus for triggering alarms and waveform capture in an electric power system |
US5936537A (en) * | 1996-09-23 | 1999-08-10 | 3Com Corporation | High frequency signal detector |
US6043687A (en) * | 1998-07-29 | 2000-03-28 | Stmicroelectronics, Inc. | Integrated circuit precision resistor ratio matching |
EP1026874A1 (en) * | 1999-02-02 | 2000-08-09 | Alcatel | Arrangement and method to feed in power to a plurality of circuits or telecommunication lines |
US6407896B1 (en) * | 2000-03-31 | 2002-06-18 | Motorola, Inc. | Power system and method of operation |
US6791303B2 (en) * | 2001-05-17 | 2004-09-14 | Infineon Technologies Ag | Circuit configuration for voltage stabilization |
US20040100239A1 (en) * | 2001-05-17 | 2004-05-27 | Frank Klotz | Circuit configuration for voltage stabilization |
US6710482B2 (en) | 2001-08-25 | 2004-03-23 | Lucas Aerospace Power Equipment Corporation | Generator |
US20030071610A1 (en) * | 2001-10-16 | 2003-04-17 | Paul Mehringer | Method and apparatus for monitoring an electrical current consumming device |
US6720758B2 (en) * | 2001-10-16 | 2004-04-13 | Robert Bosch Gmbh | Method and apparatus for monitoring an electrical current consuming device |
US20040078463A1 (en) * | 2002-02-25 | 2004-04-22 | General Electric Company | Method and apparatus for minimally invasive network monitoring |
US7043340B2 (en) | 2002-02-25 | 2006-05-09 | General Electric Company | Protection system for power distribution systems |
US20030214907A1 (en) * | 2002-02-25 | 2003-11-20 | General Electric Company | Method for communicating information bundled in digital message packets |
US20030216876A1 (en) * | 2002-02-25 | 2003-11-20 | General Electric Company | Method and apparatus for ground fault protection |
US20030220719A1 (en) * | 2002-02-25 | 2003-11-27 | General Electric Company | Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis |
US20030222509A1 (en) * | 2002-02-25 | 2003-12-04 | General Electric Company | Method and apparatus for node electronics unit architecture |
US20030225481A1 (en) * | 2002-02-25 | 2003-12-04 | General Electric Company | Method and apparatus for optimizing redundant critical control systems |
US20030225482A1 (en) * | 2002-02-25 | 2003-12-04 | General Electric Company | Method and system for conditionally triggered system data capture |
US20030229423A1 (en) * | 2002-02-25 | 2003-12-11 | General Electric Company | Method for power distribution system components identification, characterization and rating |
US20030231447A1 (en) * | 2002-02-25 | 2003-12-18 | General Electric Company | Circuit breaker lockout |
US20030231440A1 (en) * | 2002-02-25 | 2003-12-18 | General Electric Company, | Circuit protection system |
US20040019410A1 (en) * | 2002-02-25 | 2004-01-29 | General Electric Company | Protection system for power distribution systems |
US20040024475A1 (en) * | 2002-02-25 | 2004-02-05 | General Electric Company | Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
US8213144B2 (en) | 2002-02-25 | 2012-07-03 | General Electric Company | Circuit protection system |
US20030212515A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Data sample and transmission modules for power distribution systems |
US20030212835A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Method and system for external clock to obtain multiple synchronized redundant computers |
US20030212473A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Processing system for a power distribution system |
US20030205938A1 (en) * | 2002-02-25 | 2003-11-06 | General Electric Company | Integrated protection, monitoring, and control system |
US7747356B2 (en) | 2002-02-25 | 2010-06-29 | General Electric Company | Integrated protection, monitoring, and control system |
US20030187520A1 (en) * | 2002-02-25 | 2003-10-02 | General Electric Company | Method and apparatus for circuit breaker node software architecture |
US6892145B2 (en) | 2002-02-25 | 2005-05-10 | General Electric Company | Method and system for conditionally triggered system data capture |
US6892115B2 (en) | 2002-02-25 | 2005-05-10 | General Electric Company | Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
US6909942B2 (en) | 2002-02-25 | 2005-06-21 | General Electric Company | Method for power distribution system components identification, characterization and rating |
US7532955B2 (en) | 2002-02-25 | 2009-05-12 | General Electric Company | Distributed protection system for power distribution systems |
US20050273207A1 (en) * | 2002-02-25 | 2005-12-08 | Dougherty John J | Distributed protection system for power distribution systems |
US6985784B2 (en) | 2002-02-25 | 2006-01-10 | General Electric Company | Configuring a centrally controlled circuit breaker protection system |
US6999291B2 (en) | 2002-02-25 | 2006-02-14 | General Electric Company | Method and apparatus for node electronics unit architecture |
US20030212513A1 (en) * | 2002-02-25 | 2003-11-13 | General Electric Company | Configuring a centrally controlled circuit breaker protection system |
US7301738B2 (en) | 2002-02-25 | 2007-11-27 | General Electric Company | Method and apparatus for minimally invasive network monitoring |
US7058481B2 (en) | 2002-02-25 | 2006-06-06 | General Electric Company | Method and apparatus for centrally-controlled electrical protection system architecture reliability improvement based on sensitivity analysis |
US7058482B2 (en) | 2002-02-25 | 2006-06-06 | General Electric Company | Data sample and transmission modules for power distribution systems |
US7068483B2 (en) | 2002-02-25 | 2006-06-27 | General Electric Company | Circuit breaker lockout |
US7068612B2 (en) | 2002-02-25 | 2006-06-27 | General Electric Company | Method for communicating information bundled in digital message packets |
US7111195B2 (en) | 2002-02-25 | 2006-09-19 | General Electric Company | Method and system for external clock to obtain multiple synchronized redundant computers |
US7117105B2 (en) | 2002-02-25 | 2006-10-03 | General Electric Company | Method and apparatus for ground fault protection |
US7254001B2 (en) | 2002-02-25 | 2007-08-07 | General Electric Company | Circuit protection system |
US7151329B2 (en) | 2002-02-25 | 2006-12-19 | General Electric Company | Integrated protection, monitoring, and control system |
US6940416B2 (en) * | 2002-07-30 | 2005-09-06 | Varon Lighting, Inc. | Low voltage testing and illuminating device |
US20040021578A1 (en) * | 2002-07-30 | 2004-02-05 | James Hudson | Low voltage testing and illuminating device |
US20070008670A1 (en) * | 2003-02-25 | 2007-01-11 | Fletcher David G | Protection system for for power distribution systems |
US7636616B2 (en) | 2003-02-25 | 2009-12-22 | General Electric Company | Protection system for power distribution systems |
US20040172569A1 (en) * | 2003-02-27 | 2004-09-02 | Faue Jon Allan | Integrated circuit memory architecture with selectively offset data and address delays to minimize skew and provide synchronization of signals at the input/output section |
US20070102999A1 (en) * | 2003-05-09 | 2007-05-10 | Roger Darraba | A movable or removable seat for a motor vehicle |
US20060098430A1 (en) * | 2004-11-10 | 2006-05-11 | Tatung Co., Ltd. | Flexible lighting method for a LED on a portable device |
US20060263031A1 (en) * | 2005-05-23 | 2006-11-23 | Schiff Tod F | Power supply output monitor |
US7466894B2 (en) * | 2005-05-23 | 2008-12-16 | Semiconductor Components Industries, L.L.C. | Power supply output monitor |
US7397267B2 (en) * | 2005-10-17 | 2008-07-08 | Hon Hai Precision Industry Co., Ltd. | Voltage detecting circuit |
US20070096719A1 (en) * | 2005-10-17 | 2007-05-03 | Hon Hai Precision Industry Co., Ltd. | Voltage detecting circuit |
US7508315B2 (en) * | 2005-11-09 | 2009-03-24 | Caterpillar Inc. | Signaling device and method of alerting a work machine operator to a predetermined condition using same |
US20070103327A1 (en) * | 2005-11-09 | 2007-05-10 | Zimmermann Daniel E | Signaling device and method of alerting a work machine operator to a predetermined condition using same |
US7633399B2 (en) | 2007-02-27 | 2009-12-15 | Eaton Corporation | Configurable arc fault or ground fault circuit interrupter and method |
US20140285346A1 (en) * | 2013-03-20 | 2014-09-25 | Hon Hai Precision Industry Co., Ltd. | Power supply detecting circuit for vending machine |
US9898918B2 (en) | 2014-03-12 | 2018-02-20 | Precor Incorporated | Treadmill belt wear notification system |
US9922528B2 (en) | 2014-03-12 | 2018-03-20 | Precor Incorporation | Fitness equipment unit service condition notification system |
CN113471932A (en) * | 2021-06-29 | 2021-10-01 | 中国矿业大学 | Single-ended MMC direct current power distribution network single-pole grounding variable weight protection method based on multi-class similarity analysis |
CN113471932B (en) * | 2021-06-29 | 2022-04-01 | 中国矿业大学 | Single-ended MMC direct current power distribution network single-pole grounding variable weight protection method based on multi-class similarity analysis |
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Legal Events
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AS | Assignment |
Owner name: HENDRY MECHANICAL WORKS, 55 CASTILIAN DR., GOLETA, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:HAM, HOWARD M. JR;KEENAN, JAMES J.;REEL/FRAME:004988/0073 Effective date: 19881123 Owner name: HENDRY MECHANICAL WORKS, A CA PARTNERSHIP, CALIFOR Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAM, HOWARD M. JR;KEENAN, JAMES J.;REEL/FRAME:004988/0073 Effective date: 19881123 |
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Owner name: TELECT, INC., WASHINGTON Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HENDRY MECHANICAL WORKS;REEL/FRAME:015320/0386 Effective date: 20041025 |
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